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Merge pull request #3069 from matthewbauer/max-name

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Set maximum name length in Nix
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Eelco Dolstra 2019-08-29 15:22:36 +02:00 committed by GitHub
parent 8478c99d09 693e68e09c
commit 84de821004
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1 changed files with 4 additions and 0 deletions
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4
src/libstore/store-api.cc
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@ -97,6 +97,10 @@ void checkStoreName(const string & name)
reasons (e.g., "." and ".."). */
if (string(name, 0, 1) == ".")
throw Error(baseError % "it is illegal to start the name with a period");
/* Disallow names longer than 211 characters. ext4’s max is 256,
but we need extra space for the hash and .chroot extensions. */
if (name.length() > 211)
throw Error(baseError % "name must be less than 212 characters");
for (auto & i : name)
if (!((i >= 'A' && i <= 'Z') ||
(i >= 'a' && i <= 'z') ||